Product #: 2459300-CA. For determination of Low Range Silica by the Heteropoly Blue method. Hach Method 8186. Range: 0.01 - 1.60 mg/L SiO2. Sample Size: 10 mL. Reagent Set includes Amino Acid F Reagent Powder Pillows, Citric Acid Powder Pillows and Molybdate 3 Reagent